You throw your opponent to the ground with such force it breaks bones and the ground

Prerequisites: Improved Trip, Combat Expertise, Base Attack bonus +6 or Monk Level 6th, Dex 13, Str 12, Int 13

Benefit: As a standard action you can attempt a trip combat manuver against and opponent, if successful you slam the opponent into the ground with great force making your opponent prone and dealing 4d6 + twice your strength modifier in damage. Additionally you get a +4 to CMB when attempting a trip, this bonus stacks with improved trip.

Special: At 15th level the damage you deal becomes 8d6 + three times your strength modifier. This is a combat feat. This can be taken as a 6th level Monk Bonus Feat.